//------------------------------------------------------------------------------
//  此代码版权（除特别声明或在XREF结尾的命名空间的代码）归作者本人若汝棋茗所有
//  源代码使用协议遵循本仓库的开源协议及附加协议，若本仓库没有设置，则按MIT开源协议授权
//  CSDN博客：https://blog.csdn.net/qq_40374647
//  哔哩哔哩视频：https://space.bilibili.com/94253567
//  Gitee源代码仓库：https://gitee.com/RRQM_Home
//  Github源代码仓库：https://github.com/RRQM
//  API首页：https://touchsocket.net/
//  交流QQ群：234762506
//  感谢您的下载和使用
//------------------------------------------------------------------------------

using TouchSocket.Core;

namespace TouchSocket.Modbus
{
    internal class ModbusRtuAdapter : CustomFixedHeaderDataHandlingAdapter<ModbusRtuResponse>
    {
        public override bool CanSendRequestInfo => true;
        public override int HeaderLength => 3;

        protected override ModbusRtuResponse GetInstance()
        {
            var response = new ModbusRtuResponse();
            response.SetByteBlock(this.m_byteBlock);
            return response;
        }

        private ByteBlock m_byteBlock;

        protected override FilterResult Filter(in ByteBlock byteBlock, bool beCached, ref ModbusRtuResponse request, ref int tempCapacity)
        {
            this.m_byteBlock = byteBlock;

            if (beCached)
            {
                request.SetByteBlock(byteBlock);
            }

            return base.Filter(byteBlock, beCached, ref request, ref tempCapacity);
        }
    }
}